﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Plane
{
    internal class AllPlane
    {
        public virtual string TakeOff()
        {
            return "TakeOff";
        }

        public virtual string SonicFly()
        {
            return "SonicFly";
        }
    }
}
